/Engine/Source/Editor/SequencerCore/Public/MVVM/Extensions/ISortableExtension.h
Compare priorities, identifiers, and custom orders
static bool ComparePriorityFirst ( const [FSortingKey](API\Editor\SequencerCore\MVVM\Extensions\FSortingKey) & A, const [FSortingKey](API\Editor\SequencerCore\MVVM\Extensions\FSortingKey) & B )